Jewelry Tools

Economical black glass stone used with solutions and test needles to determine karat values.

Measures: 2″ x 1-1/2″ x 3/16″

Natural testing stones are used with solutions and test needles to determine karat values of precious metals.

Asco Swiss Made loupe. Type H, 3x. 25mm diameter. Screw in bezel for easy lens cleaning.

Red silicon pad for Pro-Cast Vacuum Machine (21.805). 5-1/2″ Diameter, 1/2″ Hole.

Deluxe version measures in European sizes circumference in millimeters American sizes and diameter in millimeters. It is also grooved for stone-set rings. Sizes 2 to 15.

Jumbo finger gauge sizes 16–24 in half sizes.

This value engineered 9-3/8 caliper measures inside outside and depth. The gauge is accurate to 0.02mm with a measuring range of 0mm to 150mm.

Our 80mm -3- Brass Gauge Deluxe eliminates the problem of holding while measuring.

Specifically formulated for use in all oil seal vacuum pumps.

Pliable, gray-green in color. Used to fill cups in sprue bases. 1 lb. block.

Accurate, yet economical, scale weighs in 2 oz. increments. Easy to read red and black numerals on 4″ dial indicate weight, as well as water/investment ratios. Includes scoop. 10 pound capacity.

Plastic scoop for handling dry investment. Sold with investment scale, item #21.773.